Insect and disease problems occur throughout the landscape, and can be a confusing topic. When you need suggestions for treatment, or help with identification, this is the place to start.
Topic Topic Starter Replies Views Last Post
is this the start of oak wilt? <mega> 1 273
Sunday May 20, 2007 11:29 PM
by Russ Carlson
I think my Cleveland Pear is dying! Help <Lindsay> 0 900
Sunday September 10, 2006 11:33 AM
Crimson Frost Birch Problems <Needhelp> 0 624
Sunday August 20, 2006 10:50 AM
Liquid Amber Trees - Die-back Jocular 2 1900
Wednesday August 02, 2006 09:56 AM
by Bill
some brown leaves on post 150 yr. post oak Darbo 2 518
Tuesday June 13, 2006 09:59 PM
by Darbo
Healing Birch? <Anna K.> 2 473
Tuesday June 06, 2006 11:32 AM
by <Anna>
My cleveland pear needs help! mddjb 1 4220
Monday June 05, 2006 11:55 AM
by Russ Carlson
Birch Tree Leaf Disease <fred> 1 1439
Tuesday May 30, 2006 09:46 PM
by Russ Carlson
Inkberry chlorosis Ron 1 667
Saturday May 13, 2006 06:22 PM
by Newt
Save my Birch tree !!! <azzomum> 1 608
Friday May 12, 2006 02:48 PM
by <azzomum>
purple leaf plum tree kleighnjosiesmom 1 1211
Thursday April 27, 2006 12:46 PM
by Russ Carlson
Maple Transplant-Desperate for answers <kathysmith30> 0 438
Monday April 17, 2006 11:19 AM
best application <bruno> 0 345
Friday April 14, 2006 12:19 AM
Cottonwood borers Nate - Austin 1 847
Thursday February 16, 2006 10:03 PM
by <Jeff>
Leopard moth Zeuzera pyrina <Russ Carlson> 10 2173
Saturday November 19, 2005 01:03 AM
by <Mahmoud sadjadi>
maple leaves w black spots and wilting <Christopher Huff> 3 1980
Saturday September 24, 2005 05:06 PM
by <gailgorman>
Dying Ficus nitida trees! TCochran 3 3054
Wednesday September 14, 2005 04:17 AM
by Newt
Pear tree ... to die or not to die.. daary 1 1158
Wednesday September 14, 2005 04:06 AM
by Newt
cleveland pear tree <steph> 0 4544
Sunday August 07, 2005 09:41 PM
Pythium fungus <TCochran> 0 618
Saturday August 06, 2005 10:53 PM
River Birch - yellowish leaves and dropping <RAP - Southern MN> 3 1439
Saturday August 06, 2005 10:37 AM
by <Woodsie>
Brown patches on Autumn Blaze Maple <Clare> 3 3364
Thursday July 28, 2005 10:51 PM
by <Teri>
Galls on white pine <Ric> 0 569
Friday July 15, 2005 09:12 AM
squirrel damage to Japanese Zelkova <Mark Goodwin> 6 2268
Tuesday July 05, 2005 09:05 AM
by <Briansmaple>
Washington Hawthorne insects & disease <Carol> 6 3572
Thursday June 30, 2005 04:13 PM
by <K Ann>
Autumn Blaze Maple <Mike Tillaart> 2 1849
Sunday June 19, 2005 08:27 PM
by <Aceraceae>
Armillatox <Guy> 4 1589
Friday June 10, 2005 03:15 PM
by <Ernest Parkin>
Japanese Maple leaf damage at ends <Robert> 3 3647
Thursday May 19, 2005 09:30 PM
by <Rose Kline>
Emerald Ash Borer <AResearch> 0 639
Monday May 09, 2005 02:44 PM
possible human infection of tree parasite <Kaye> 5 1819
Sunday May 01, 2005 05:58 PM
by <jenny>
Very good web site for indentifying diseases H. Angers 1 1302
Monday April 18, 2005 05:51 PM
by <delores>
pro carpenter ants? <Ryan> 1 1202
Friday July 30, 2004 10:01 PM
by Russ Carlson
Oxyporus populinus jezz 1 988
Saturday March 06, 2004 04:42 PM
by Jerry
Color Signature of Disease? <Mark> 4 1144
Monday November 17, 2003 10:55 PM
by <Mark>
Bacterial canker in Norway maples John Paul Sanborn 2 1058
Sunday November 16, 2003 05:38 PM
by joe
fungi <Paul> 1 992
Friday October 10, 2003 10:16 PM
by Russ Carlson
Bleeding from pruning cuts on Eastern White Pine <Rick Lipsitt> 2 1320
Sunday September 07, 2003 09:13 PM
by <Rick Lipsitt>
Inonotus, Phellinus pini... <Dan> 0 742
Friday August 29, 2003 04:31 AM
Deodar, dying <Peter Torres> 9 1645
Monday August 25, 2003 04:57 PM
by <Mark>
HELP!!!carpenter ant nest/gaping hole <doreen> 2 1056
Friday July 25, 2003 08:13 AM
by <Billy Davis>
Bradford Pear-holes in trunk jswank 2 1560
Monday June 30, 2003 02:51 PM
by Russ Carlson
oak petiole borer Russ Carlson 10 1754
Monday June 30, 2003 02:49 PM
by <Scott>
2000 Montezuma cypresses 5km along river, dying <Pierre T Marchebout Urrea> 4 1166
Tuesday June 24, 2003 05:07 PM
by <Pierre Marchebout>
birch tree disease <wilf smith> 5 2553
Monday June 02, 2003 04:16 AM
by <Steve Hayes>
edges of leaves on bradford pear turning brown <APRIL> 0 1153
Saturday May 31, 2003 11:49 AM
white pine disease <Peter Larson> 3 1140
Friday May 23, 2003 12:00 PM
by <Mark Goodwin>
Patterns of butt decay in sycamores <Mark Goodwin> 4 1082
Wednesday May 21, 2003 07:01 AM
by <Jerry>
Lost 6 Maple trees that were 10 yrs old HELP <Larry> 3 1161
Sunday May 18, 2003 08:20 AM
by <Mark Goodwin>
5 YR CEDAR HEDGE DYING <Robert Cousins> 1 1152
Sunday May 18, 2003 01:59 AM
by <Mark Goodwin>
fruitless mulberrys <george h> 1 954
Thursday May 15, 2003 08:26 AM
by <Mark Goodwin>